129291978 (number)

129291978 is an even 9-digits composite number following 129291977 and preceding 129291979. In scientific notation, it is written as 1.29291978 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 43076880 positive integers (up to 129291978) that are relatively prime to 129291978.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million two hundred ninety-one thousand nine hundred seventy-eight

Notation

Scientific notation 1.29291978 × 10^8
Engineering notation 1.29291978 × 10^6

Prime Factorization of 129291978

Prime Factorization 2 × 3 × 2971 × 7253

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129291978
Product of the distinct prime numbers

The prime factorization of 129291978 is 2 × 3 × 2971 × 7253. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 20, 93, 558, 713, 8637, 7308, 30313, 9499, 850663, 703588, 3034902, 98465, 98163474, 21525141, 966936563, 105117467, 6356983961, 9661515493

Basic calculations (n = 129291978)

Multiplication

n×y
n×2 258583956
n×3 387875934
n×4 517167912
n×5 646459890

Division

n÷y
n÷2 64645989
n÷3 43097326
n÷3 32322994.5
n÷5 25858395.6

Exponentiation

ny
n2 16716415575152484
n3 2.1612984347815E+24
n4 2.794385496812E+32
n5 3.6129162817734E+40

Nth Root

y√n
2√n 11370.663041353
3√n 505.65836166769
4√n 106.6333111244
5√n 41.909677213517

Divisors of 129291978

1, 2, 3, 6, 2971, 5942, 7253, 8913, 14506, 17826, 21759, 43518, 21548663, 43097326, 64645989, 129291978

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129291977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129291978 can be divided by 16 positive divisors. The sum of these divisors (counting 129291978) is 1, the average is 0.0625.

Base conversion 129291978

Base System Value
2 Binary 111101101001101011011001010
3 Ternary 100000021201020210
4 Quaternary 13231031123022
5 Quinary 231044320403
6 Senary 20455101550
8 Octal 755153312
10 Decimal 129291978
12 Duodecimal 373718b6
16 Hexadecimal 7b4d6ca
20 Vigesimal 20819ii
36 Base36 24z6bu

Cryptographic Hash Functions

md5 e1f18fffe469bb0230d5057bcf1eb648
sha1 8a16b56b360eb10c2bc38f10df296916869f19cd
sha256 c76ff6f7df64abd3a03aa9a7d91958ab3a63af6833bbcab6c0b712767227dc06
sha512 484e0eee44f4a4e8055ac434f102c231e9b106943e0c74db18552109719ce830be9cd7b1103eee77db51a09612653894875e2618cf301616042f294a68fbfaf2
ripemd-160 7c810a683343453fb7db637007ae954d9bbeb1a7

129291978 as geometric shapes

Circle

Radius = n
Diameter 258583956
Circumference 812365456.50579
Area 5.2516168365253E+16

Sphere

Radius = n
Volume 9.0532257132328E+24
Surface area 2.1006467346101E+17
Circumference 812365456.50579

Square

Length = n
Perimeter 517167912
Area 16716415575152484
Diagonal 182846468.79364

Cube

Length = n
Surface area 100298493450914904
Volume 2.1612984347815E+24
Space diagonal 223940274.90708

Equilateral Triangle

Length = n
Perimeter 387875934
Area 7.23842027415E+15
Altitude 111970137.45354

Triangular Pyramid

Length = n
Surface area 7.23842027415E+15
Volume 2.5471146323364E+23
Height 60948822.931215